Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Effect of Gd Concentration on Thermal Stability and Glass-Forming Ability of (Fe, Co)-Gd-Nb-B Glassy Alloys
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 2001-2004)
Author(s): Fei Jia, School of Materials Science and Engineering, Dalian University of Technology, Dalian, China, 116024
Li-juan Wang, School of Materials Science and Engineering, Dalian University of Technology, Dalian, China, 116024
Xing-guo Zhang, School of Materials Science and Engineering, Dalian University of Technology, Dalian, China, 116024
Wei Zhang, School of Materials Science and Engineering, Dalian University of Technology, Dalian, China, 116024
Inoue Akihisa, Institute for Materials Research, Tohoku University, Sendai, Japan, 980-8577
Abstract: Addition of a small amount of Gd to the Fe-Co-B based glassy alloy in (Fe0.5Co0.5)71-xGdxNb4B25 ( x = 2.5 - 4.5) increased the stabilization of supercooled liquid and glass-forming ability (GFA). The largest supercooled liquid region of 102K was obtained for the x = 3.5 alloy. The best GFA with a diameter of over 5 mm was achieved for the x = 3.5 alloy. The (Fe0.5Co0.5)67.5Gd3.5Nb4B25 glassy alloy exhibited good soft magnetic properties, i.e., rather high saturation magnetization of 0.86T, low coercive force of 4.2A/m, and low saturated magnetostriction of 6 × 10-6.
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